A Buddhist monk walks past the United Nations (U.N.) office as demonstrators block the main entrance in Colombo July 7, 2010. Sri Lankan cabinet minister Wimal Weerawansa led a march on the U.N. office in Colombo on Tuesday to protest U.N. Secretary-General Ban Ki-moon's naming of a panel to advise him on potential crimes at the end of Sri Lanka's war in 2009, and his supporters continue to block the gates of the U.N. compound. REUTERS/Dinuka Liyanawatte (SRI LANKA - Tags: POLITICS CRIME LAW RELIGION)